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Finding the Fourth Proportional to 33,915.93, 46,804.13 and 18,810

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Solution

The fourth proportional to 33,915.93, 46,804.13 and 18,810 is: 25,957.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,915.93 : 46,804.13 = 18,810 : x
  2. Step 2: Convert to fraction form
    33,915.93/46,804.13 = 18,810/x
  3. Step 3: Cross multiply
    33,915.93x = 46,804.13 × 18,810
  4. Step 4: Simplify right side
    33,915.93x = 880,385,591.25
  5. Step 5: Solve for x
    x = 880,385,591.25/33,915.93
  6. Step 6: Final answer
    x = 25,957.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.